org.glowroot.agent.plugin.api

Class QueryMessageSupplier

java.lang.Object

org.glowroot.agent.plugin.api.QueryMessageSupplier

public abstract class QueryMessageSupplier
extends Object

A (lazy) supplier of QueryMessage instances. Needs to be thread safe since transaction thread creates it, but trace storage (and live viewing) is done in a separate thread.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	QueryMessageSupplier()

Method Summary

Modifier and Type	Method and Description
static QueryMessageSupplier	create(String prefix) Creates a QueryMessageSupplier for the specified prefix.
static QueryMessageSupplier	create(String prefix, String suffix) Creates a QueryMessageSupplier for the specified prefix and suffix.
abstract QueryMessage	get() Returns the QueryMessage for a QueryEntry.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

QueryMessageSupplier

protected QueryMessageSupplier()

Method Detail

create

public static QueryMessageSupplier create(String prefix)

Creates a QueryMessageSupplier for the specified prefix.

create

public static QueryMessageSupplier create(String prefix,
                                          String suffix)

Creates a QueryMessageSupplier for the specified prefix and suffix.

get

public abstract QueryMessage get()

Returns the QueryMessage for a QueryEntry. The QueryMessage does not need to be thread safe if it is instantiated by the implementation of this method.